git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/modify.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2017 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * Portions Copyright 2002 Pierangelo Masarati.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted only as authorized by the OpenLDAP
  11  * Public License.
  12  *
  13  * A copy of this license is available in the file LICENSE in the
  14  * top-level directory of the distribution or, alternatively, at
  15  * <http://www.OpenLDAP.org/license.html>.
  16  */
  17 /* ACKNOWLEDGEMENTS:
  18  * This work was initially developed by Dmitry Kovalev for inclusion
  19  * by OpenLDAP Software.  Additional significant contributors include
  20  * Pierangelo Masarati.
  21  */
  22
  23 #include "portable.h"
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "ac/string.h"
  28
  29 #include "slap.h"
  30 #include "proto-sql.h"
  31
  32 int
  33 backsql_modify( Operation *op, SlapReply *rs )
  34 {
  35         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  36         SQLHDBC                 dbh = SQL_NULL_HDBC;
  37         backsql_oc_map_rec      *oc = NULL;
  38         backsql_srch_info       bsi = { 0 };
  39         Entry                   m = { 0 }, *e = NULL;
  40         int                     manageDSAit = get_manageDSAit( op );
  41         SQLUSMALLINT            CompletionType = SQL_ROLLBACK;
  42
  43         /*
  44          * FIXME: in case part of the operation cannot be performed
  45          * (missing mapping, SQL write fails or so) the entire operation
  46          * should be rolled-back
  47          */
  48         Debug( LDAP_DEBUG_TRACE, "==>backsql_modify(): modifying entry \"%s\"\n",
  49                 op->o_req_ndn.bv_val, 0, 0 );
  50
  51         rs->sr_err = backsql_get_db_conn( op, &dbh );
  52         if ( rs->sr_err != LDAP_SUCCESS ) {
  53                 Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
  54                         "could not get connection handle - exiting\n",
  55                         0, 0, 0 );
  56                 /*
  57                  * FIXME: we don't want to send back
  58                  * excessively detailed messages
  59                  */
  60                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  61                         ? "SQL-backend error" : NULL;
  62                 goto done;
  63         }
  64
  65         bsi.bsi_e = &m;
  66         rs->sr_err = backsql_init_search( &bsi, &op->o_req_ndn,
  67                         LDAP_SCOPE_BASE,
  68                         (time_t)(-1), NULL, dbh, op, rs,
  69                         slap_anlist_all_attributes,
  70                         ( BACKSQL_ISF_MATCHED | BACKSQL_ISF_GET_ENTRY | BACKSQL_ISF_GET_OC ) );
  71         switch ( rs->sr_err ) {
  72         case LDAP_SUCCESS:
  73                 break;
  74
  75         case LDAP_REFERRAL:
  76                 if ( manageDSAit && !BER_BVISNULL( &bsi.bsi_e->e_nname ) &&
  77                                 dn_match( &op->o_req_ndn, &bsi.bsi_e->e_nname ) )
  78                 {
  79                         rs->sr_err = LDAP_SUCCESS;
  80                         rs->sr_text = NULL;
  81                         rs->sr_matched = NULL;
  82                         if ( rs->sr_ref ) {
  83                                 ber_bvarray_free( rs->sr_ref );
  84                                 rs->sr_ref = NULL;
  85                         }
  86                         break;
  87                 }
  88                 e = &m;
  89                 /* fallthru */
  90
  91         default:
  92                 Debug( LDAP_DEBUG_TRACE, "backsql_modify(): "
  93                         "could not retrieve modifyDN ID - no such entry\n",
  94                         0, 0, 0 );
  95                 if ( !BER_BVISNULL( &m.e_nname ) ) {
  96                         /* FIXME: should always be true! */
  97                         e = &m;
  98
  99                 } else {
 100                         e = NULL;
 101                 }
 102                 goto done;
 103         }
 104
 105         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(): "
 106                 "modifying entry \"%s\" (id=" BACKSQL_IDFMT ")\n",
 107                 bsi.bsi_base_id.eid_dn.bv_val,
 108                 BACKSQL_IDARG(bsi.bsi_base_id.eid_id), 0 );
 109
 110         if ( get_assert( op ) &&
 111                         ( test_filter( op, &m, get_assertion( op ) )
 112                           != LDAP_COMPARE_TRUE ))
 113         {
 114                 rs->sr_err = LDAP_ASSERTION_FAILED;
 115                 e = &m;
 116                 goto done;
 117         }
 118
 119         slap_mods_opattrs( op, &op->orm_modlist, 1 );
 120
 121         assert( bsi.bsi_base_id.eid_oc != NULL );
 122         oc = bsi.bsi_base_id.eid_oc;
 123
 124         if ( !acl_check_modlist( op, &m, op->orm_modlist ) ) {
 125                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 126                 e = &m;
 127                 goto done;
 128         }
 129
 130         rs->sr_err = backsql_modify_internal( op, rs, dbh, oc,
 131                         &bsi.bsi_base_id, op->orm_modlist );
 132         if ( rs->sr_err != LDAP_SUCCESS ) {
 133                 e = &m;
 134                 goto do_transact;
 135         }
 136
 137         if ( BACKSQL_CHECK_SCHEMA( bi ) ) {
 138                 char            textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
 139
 140                 backsql_entry_clean( op, &m );
 141
 142                 bsi.bsi_e = &m;
 143                 rs->sr_err = backsql_id2entry( &bsi, &bsi.bsi_base_id );
 144                 if ( rs->sr_err != LDAP_SUCCESS ) {
 145                         e = &m;
 146                         goto do_transact;
 147                 }
 148
 149                 rs->sr_err = entry_schema_check( op, &m, NULL, 0, 0, NULL,
 150                         &rs->sr_text, textbuf, sizeof( textbuf ) );
 151                 if ( rs->sr_err != LDAP_SUCCESS ) {
 152                         Debug( LDAP_DEBUG_TRACE, "   backsql_modify(\"%s\"): "
 153                                 "entry failed schema check -- aborting\n",
 154                                 m.e_name.bv_val, 0, 0 );
 155                         e = NULL;
 156                         goto do_transact;
 157                 }
 158         }
 159
 160 do_transact:;
 161         /*
 162          * Commit only if all operations succeed
 163          */
 164         if ( rs->sr_err == LDAP_SUCCESS && !op->o_noop ) {
 165                 assert( e == NULL );
 166                 CompletionType = SQL_COMMIT;
 167         }
 168
 169         SQLTransact( SQL_NULL_HENV, dbh, CompletionType );
 170
 171 done:;
 172         if ( e != NULL ) {
 173                 if ( !access_allowed( op, e, slap_schema.si_ad_entry, NULL,
 174                                         ACL_DISCLOSE, NULL ) )
 175                 {
 176                         rs->sr_err = LDAP_NO_SUCH_OBJECT;
 177                         rs->sr_text = NULL;
 178                         rs->sr_matched = NULL;
 179                         if ( rs->sr_ref ) {
 180                                 ber_bvarray_free( rs->sr_ref );
 181                                 rs->sr_ref = NULL;
 182                         }
 183                 }
 184         }
 185
 186         if ( op->o_noop && rs->sr_err == LDAP_SUCCESS ) {
 187                 rs->sr_err = LDAP_X_NO_OPERATION;
 188         }
 189
 190         send_ldap_result( op, rs );
 191         slap_graduate_commit_csn( op );
 192
 193         if ( !BER_BVISNULL( &bsi.bsi_base_id.eid_ndn ) ) {
 194                 (void)backsql_free_entryID( &bsi.bsi_base_id, 0, op->o_tmpmemctx );
 195         }
 196
 197         if ( !BER_BVISNULL( &m.e_nname ) ) {
 198                 backsql_entry_clean( op, &m );
 199         }
 200
 201         if ( bsi.bsi_attrs != NULL ) {
 202                 op->o_tmpfree( bsi.bsi_attrs, op->o_tmpmemctx );
 203         }
 204
 205         if ( rs->sr_ref ) {
 206                 ber_bvarray_free( rs->sr_ref );
 207                 rs->sr_ref = NULL;
 208         }
 209
 210         Debug( LDAP_DEBUG_TRACE, "<==backsql_modify()\n", 0, 0, 0 );
 211
 212         return rs->sr_err;
 213 }
 214